/*
 * Copyright (C) 2009-2016 by the geOrchestra PSC
 *
 * This file is part of geOrchestra.
 *
 * geOrchestra is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * geOrchestra is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * geOrchestra.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.georchestra.mapfishapp.ws;

import java.io.UnsupportedEncodingException;
import java.util.Enumeration;
import java.util.Locale;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;

public class Utf8ResourceBundle {

public static final ResourceBundle getBundle(String baseName) {
  ResourceBundle bundle = ResourceBundle.getBundle(baseName);
  return createUtf8PropertyResourceBundle(bundle);
}

public static final ResourceBundle getBundle(String baseName, Locale locale) {
  ResourceBundle bundle = ResourceBundle.getBundle(baseName, locale);
  return createUtf8PropertyResourceBundle(bundle);
}

public static ResourceBundle getBundle(String baseName, Locale locale, ClassLoader loader) {
  ResourceBundle bundle = ResourceBundle.getBundle(baseName, locale, loader);
  return createUtf8PropertyResourceBundle(bundle);
}

private static ResourceBundle createUtf8PropertyResourceBundle(ResourceBundle bundle) {
  if (!(bundle instanceof PropertyResourceBundle)) return bundle;

  return new Utf8PropertyResourceBundle((PropertyResourceBundle)bundle);
}

private static class Utf8PropertyResourceBundle extends ResourceBundle {
  PropertyResourceBundle bundle;

  private Utf8PropertyResourceBundle(PropertyResourceBundle bundle) {
    this.bundle = bundle;
  }
  /* (non-Javadoc)
   * @see java.util.ResourceBundle#getKeys()
   */
  public Enumeration getKeys() {
    return bundle.getKeys();
  }
  /* (non-Javadoc)
   * @see java.util.ResourceBundle#handleGetObject(java.lang.String)
   */
  protected Object handleGetObject(String key) {
    String value = (String)bundle.getString(key);
    if (value==null) return null;
    try {
      return new String (value.getBytes("ISO-8859-1"),"UTF-8") ;
    } catch (UnsupportedEncodingException e) {
      // Shouldn't fail - but should we still add logging message?
      return null;
    }
  }

}
}
